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Finding the Fourth Proportional to 22,472,999.60, 33,709,499.40 and 12,917,850.80

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Solution

The fourth proportional to 22,472,999.60, 33,709,499.40 and 12,917,850.80 is: 19,376,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472,999.60 : 33,709,499.40 = 12,917,850.80 : x
  2. Step 2: Convert to fraction form
    22,472,999.60/33,709,499.40 = 12,917,850.80/x
  3. Step 3: Cross multiply
    22,472,999.60x = 33,709,499.40 × 12,917,850.80
  4. Step 4: Simplify right side
    22,472,999.60x = 435,454,283,791,889.50
  5. Step 5: Solve for x
    x = 435,454,283,791,889.50/22,472,999.60
  6. Step 6: Final answer
    x = 19,376,776.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.